Strange Search Behaviour

[flavio....@gmail.com]

Hi guys..

I'm having such a strange behaviour when running a quite simple search (janusgraph 0.2).

Pay attention to the following code:

gremlin> graph = JanusGraphFactory.open("/tmp/janus.properties"); g = graph.traversal()
==>graphtraversalsource[standardjanusgraph[cassandra:[localhost]], standard]
gremlin> g.V().has("ferma_type", "com.acme.model.Person").count()
==>14592
gremlin> g.V().has("ferma_type", "com.acme.model.Person").has("name", "John Doe")
gremlin> g.V().has("ferma_type", "com.acme.model.Person").count()
==>4000
gremlin> g.V().has("name", "John Doe").values("ferma_type")
==>com.acme.model.Person

Notice that when I just open the graph and count how many vertices I have with a ferma_type=com.acme.model.Person it returns 14592, which is ok.

But then when I add a has("name", "John Doe") it returns nothing, although theres a vertex matching the query (as you can see in the end).

It gets a little stranger when I count the vertices again and now it returns only 4000...

I have these two indexes defined:

if (!mgmt.containsGraphIndex("byNameMixed")) {
    PropertyKey name = mgmt.getOrCreatePropertyKey("name");
    mgmt.buildIndex("byNameMixed", Vertex.class).addKey(name, Mapping.TEXTSTRING.asParameter()).buildMixedIndex("search");
}

if (!mgmt.containsGraphIndex("byFermaType")) {
    PropertyKey fermaType = getOrCreateProp(mgmt, "ferma_type", String.class);
    mgmt.buildIndex("byFermaType", Vertex.class).addKey(fermaType).buildCompositeIndex();
}

Does anybody have a clue of what's going on ?

[Robert Dale]

Strange indeed.  Created issue https://github.com/JanusGraph/janusgraph/issues/735

Feel free to add to it.